现行

USP F100876

Standard Buffer Solutions
标准缓冲溶液

现行

USP F100876

Standard Buffer Solutions
标准缓冲溶液

现行

CID A-A-53018

BUFFER SOLUTION, STANDARD (PH)
标准缓冲溶液（PH）

1987-06-22

现行

CID A-A-53018

BUFFER SOLUTION, STANDARD (PH)
标准缓冲溶液（PH）

1987-06-22

现行

USP Buffer Solutions

Buffer Solutions
缓冲溶液

现行

USP Buffer Solutions

Buffer Solutions
缓冲溶液

现行

GB/T 27501-2011

pH值测定用缓冲溶液制备方法
Preparation method of buffer solutions for the measurement of pH value

2011-10-31

现行

GOST 17227-1971

рН-метрия. Таблетки для приготовления рабочих буферных растворов
pH测量 用于制备工作缓冲溶液的片剂

现行

UNE 77315-2001

Soil quality. Extraction of trace elements by buffered DTPA solution.
土壤质量 用缓冲DTPA溶液提取微量元素

2001-01-31

现行

KS I ISO 14870

토양의 질 — DTPA 완충 용액을 이용한 미량 원소의 추출
土壤质量 - 通过缓冲DTPA溶液提取痕量元素

2018-03-28

现行

KS I ISO 14870(2024 Confirm)

토양의 질 — DTPA 완충 용액을 이용한 미량 원소의 추출
土质用缓冲DTPA溶液提取微量元素

2018-03-28

现行

ISO 14870-2001

Soil quality — Extraction of trace elements by buffered DTPA solution
土壤质量——缓冲DTPA溶液萃取微量元素的研究

2001-12-06

现行

GOST 4919.2-2016

Реактивы и особо чистые вещества. Методы приготовления буферных растворов
试剂和特殊纯度的事项 缓冲溶液的制备方法

2016-06-28

现行

DIN 19266

pH measurement - Reference buffer solutions for the calibration of pH measuring equipment
pH测量.pH测量设备校准用参考缓冲溶液

2015-05-01

现行

UNE 55539-14-1995

SURFACE ACTIVE AGENTS. METHODS FOR PREPARATION, STANDARDIZATION AND STORAGE OF STANDARD SOLUTIONS TO BE USED IN VOLUMETRIC ANALYSIS OF SURFACE ACTIVE AGENTS AND FORMULLATIONS CONTAINING THEM. PART 14: STANDARD SOLUTIONS WITH BUFFERED PH.
表面活性剂 表面活性剂及其制剂容量分析用标准溶液的制备、标准化和储存方法 第14部分:缓冲PH值的标准溶液

1995-04-06

现行

BS ISO 23496-2019

Determination of pH value. Reference buffer solutions for the calibration of pH measuring equipment
pH值的测定 pH测量设备校准用参考缓冲溶液

2019-07-16

现行

BS ISO 23497-2019

Determination of pH value. Technical buffer solutions for the calibration of technical measuring installations
pH值的测定 技术测量装置校准的技术缓冲解决方案

2019-07-16

现行

ISO 23496-2019

Determination of pH value — Reference buffer solutions for the calibration of pH measuring equipment
pH值的测定 pH测量设备校准用参考缓冲溶液

2019-07-12

现行

ISO 23497-2019

Determination of pH value — Technical buffer solutions for the calibration of technical measuring installations
pH值的测定.技术测量装置校准用技术缓冲溶液

2019-07-12

现行

DIN ISO 14870

Soil quality - Extraction of trace elements by buffered DTPA solution (ISO 14870:2001)
土壤质量用缓冲DTPA溶液提取微量元素

2002-05-01